Either a. Or d. Cause they can be reversible but !usaly inhabition in enzymes doesnt bind so ide guess a.
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Answer and Explanation:
The steps for construction of the expression plasma
- STEP 1 : Introducing Notl and Hindlll confinement sites at the ends of the gene of interest by means of PCR
- STEP 2 :Digest the plasmid and DNA encoding gene with the Notl and Hindol confinement endonucleuses.
- STEP 3 : Ligate the cut plasmid and DNA fragment
- STEP 4 : Change the plasmid into E.coli for expression
- STEP 5 : Clean the protein by utilizing a column of immobilized

Answer:
D) The chromosomes are composed the two sister chromatids and are lined up along the equator of the cell.